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Feng, Zhiyao (author), Wang, Shuying (author), Qu, Tongming (author), Zheng, X. (author), Ling, Fanlin (author)
Water spewing and muck plugging often occur during earth pressure balance (EPB) shield machines tunnelling in water-rich sandy strata, even though the conventional foam has been employed to condition sandy soils. In this study, a novel thickened foaming agent suitable for EPB shield tunnelling in water-rich sandy strata is developed. In...
journal article 2024
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Wang, Lei (author), Zhao, Ning (author), Zhu, Changrui (author), Chen, Lei (author), Jiang, Yang (author), Zhou, Rulong (author), Liu, Yanfang (author), Qu, Bingyan (author), Hintzen, H.T.J.M. (author)
In the field of solid-state luminescence, Cu<sup>2+</sup> has long been widely acknowledged for its capacity to emit infrared light. However, the occurrence of visible emission from Cu<sup>2+</sup> ions had been infrequently observed and reported. In this study, we made an intriguing discovery by examining the behavior of Cu<sup>2+</sup>...
journal article 2024
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Yang, Dingqi (author), Qu, Bingqing (author), Yang, J. (author), Wang, Liang (author), Cudre-Mauroux, Philipe (author)
Graph embeddings have become a key paradigm to learn node representations and facilitate downstream graph analysis tasks. Many real-world scenarios such as online social networks and communication networks involve streaming graphs, where edges connecting nodes are continuously received in a streaming manner, making the underlying graph...
journal article 2022
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Guo, Y. (author), Liu, Guixian (author), Jing, Guoqing (author), Qu, Jianjun (author), Wang, Shilei (author), Qiang, Weile (author)
Ground penetrating radar (GPR) has been applied for ballast layer inspection for two decades, mainly for the analysis of ballast layer fouling levels. However, some issues that affect the inspection quality remain unsolved, such as issues involving the GPR equipment quality (antenna) and the correlation between the GPR indicator and fouling...
journal article 2022
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Wang, Feifei (author), Ren, Fuqiang (author), Ma, Zhuoran (author), Qu, Liangqiong (author), Gourgues, Ronan (author), Esmaeil Zadeh, I.Z. (author), Los, Johannes W.N. (author), Qin-Dregely, Y. (author), Dai, Hongjie (author)
Light scattering by biological tissues sets a limit to the penetration depth of high-resolution optical microscopy imaging of live mammals in vivo. An effective approach to reduce light scattering and increase imaging depth is to extend the excitation and emission wavelengths to the second near-infrared window (NIR-II) at &gt;1,000 nm, also...
journal article 2022
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Wang, Lei (author), Wang, Cailu (author), Chen, Y. (author), Jiang, Yang (author), Chen, Lei (author), Xu, Jinzhang (author), Qu, Bingyan (author), Hintzen, H.T.J.M. (author)
The red afterglow of current rare-earth-activated long persistent luminescence (LPL) phosphors is largely still less than 6 h, in contrast to the 20 or 30 h long blue- or green-emitting ones, becoming the main obstacle to realize their multiscenario applications in practice. Herein, we report a rare-earth-free red-emitting LPL phosphor SrGa...
journal article 2022
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Bi, Jialin (author), Jin, Ji (author), Qu, Cunquan (author), Zhan, X. (author), Wang, Guanghui (author), Yan, Guiying (author)
Identifying important nodes in networks is essential to analysing their structure and understanding their dynamical processes. In addition, myriad real systems are time-varying and can be represented as temporal networks. Motivated by classic gravity in physics, we propose a temporal gravity model to identify important nodes in temporal...
journal article 2021
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Chen, Jiaqi (author), Dan, Hancheng (author), Ding, Yongjie (author), Gao, Y. (author), Guo, Meng (author), Guo, Shuaicheng (author), Han, Bingye (author), Hong, Bin (author), Hou, Yue (author), Hu, Chichun (author), Hu, Jing (author), Huyan, Ju (author), Jiang, Jiwang (author), Jiang, Wei (author), Li, Cheng (author), Liu, Pengfei (author), Liu, Yu (author), Liu, Zhuangzhuang (author), Lu, Guoyang (author), Ouyang, Jian (author), Qu, Xin (author), Ren, Dongya (author), Wang, Chao (author), Wang, Chaohui (author), Wang, Dawei (author), Wang, Di (author), Wang, Hainian (author), Wang, Haopeng (author), Xiao, Yue (author), Xing, Chao (author), Xu, Huining (author), Yan, Yu (author), Yang, Xu (author), You, Lingyun (author), You, Zhanping (author), Yu, Bin (author), Yu, Huayang (author), Yu, Huanan (author), Zhang, Henglong (author), Zhang, Jizhe (author), Zhou, Changhong (author), Zhou, Changjun (author), Zhu, Xingyi (author)
Sustainable and resilient pavement infrastructure is critical for current economic and environmental challenges. In the past 10 years, the pavement infrastructure strongly supports the rapid development of the global social economy. New theories, new methods, new technologies and new materials related to pavement engineering are emerging....
review 2021
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Ding, Heyang (author), Wang, Hainian (author), Qu, Xin (author), Varveri, Aikaterini (author), Gao, Junfeng (author), You, Zhanping (author)
The use of reclaimed asphalt pavement (RAP) is a hot research topic in the field of road engineering, as there are still many issues to overcome so as to become standard engineering applications. The diffusion of virgin/aged asphalt binder is a key process to improve RAP performance. In this study, the asphalt binder diffusion models were...
journal article 2021
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Beh, Gein Khai (author), Wang, Chang Ting (author), Kim, Kyungduk (author), Qu, Jiangtao (author), Cairney, Julie (author), Ng, Yun Hau (author), An, Alicia Kyoungjin (author), Ryoo, Ryong (author), Urakawa, A. (author), Teoh, Wey Yang (author)
Solid acids of amorphous silica-alumina (a-SA) and amorphous silica-alumina-phosphate (a-SAPO) were prepared by flame spray pyrolysis (FSP). Careful tuning of the acidity of the solid acids was enabled by capitalizing on the advantage of FSP in preserving the metal stoichiometry (i.e., Si, Al, P) in the product nanoparticles. Although the...
journal article 2020
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Wang, H. (author), Qu, C. (author), Jiao, Chongze (author), Ruszel, W.M. (author)
A signed network represents how a set of nodes are connected by two logically contradictory types of links: positive and negative links. In a signed products network, two products can be complementary (purchased together) or substitutable (purchased instead of each other). Such contradictory types of links may play dramatically different roles...
journal article 2019
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Qu, Bingyan (author), Zhou, Rulong (author), Wang, L. (author), Dorenbos, P. (author)
How the 3d transition metal (TM) ions induce defect levels in wide band gap compounds and how these defect levels evolve from compound to compound is very important in understanding and predicting the luminescent properties of TM activated phosphors. This issue is discussed by studying the ground state 3d<sup>n</sup> level locations of the TM...
journal article 2019
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Qu, C. (author), Zhan, X. (author), Wang, Guanghui (author), Wu, Jianliang (author), Zhang, Zi-ke (author)
Many systems are dynamic and time-varying in the real world. Discovering the vital nodes in temporal networks is more challenging than that in static networks. In this study, we proposed a temporal information gathering (TIG) process for temporal networks. The TIG-process, as a node's importance metric, can be used to do the node ranking. As...
journal article 2019
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Qu, Zuopeng (author), Wang, Lei (author), Tang, H. (author), Ye, H. (author), Li, Meicheng (author)
In this paper, four composite coatings of nano-SnS/polyvinylbutyral (PVB), nano-MoS<sub>2</sub>/PVB, nano-SnS-Zn/PVB, and nano-MoS<sub>2</sub>-Zn/PVB were prepared, and their anti-corrosion mechanism was analyzed by experimental and theoretical calculations. The results of the electrochemical experiments show that the effect of nano-MoS<sub>2...
journal article 2019
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Wang, Xu (author), Daigger, Glen (author), Lee, Duu Jong (author), Liu, Junxin (author), Ren, Nan Qi (author), Qu, Jiuhui (author), Liu, G. (author), Butler, David (author)
Restoring and improving harmony between human activities and nature are essential to human well-being and survival. The role of wastewater infrastructure is evolving toward resource recovery to address this challenge. Yet, existing design approaches for wastewater systems focus merely on technological aspects of these systems. If system...
journal article 2018
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Liu, L. (author), Qu, B. (author), Chen, Bin (author), Hanjalic, A. (author), Wang, H. (author)
Traces of user activities recorded in online social networks open new possibilities to systematically understand the information diffusion process on social networks. From the online social network WeChat, we collected a large number of information cascade trees, each of which tells the spreading trajectory of a message/information such as which...
journal article 2018
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Qu, Xiaobo (author), Li, Xiaopeng (author), Wang, M. (author), Dixit, Vinayak (author)
contribution to periodical 2017
document
Qu, B. (author), Li, C. (author), Van Mieghem, P.F.A. (author), Wang, H. (author)
The prevalence, which is the average fraction of infected nodes, has been studied to evaluate the robustness of a network subject to the spread of epidemics. We explore the vulnerability (infection probability) of each node in the metastable state with a given effective infection rate τ. Specifically, we investigate the ranking of the nodal...
journal article 2017
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Wang, H. (author), Chen, Chuyi (author), Qu, B. (author), Li, Daqing (author)
The participation of individuals in multi-layer networks allows for feedback between network layers, opening new possibilities to mitigate epidemic spreading. For instance, the spread of a biological disease such as Ebola in a physical contact network may trigger the propagation of the information related to this disease in a communication...
journal article 2017
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Chen, Zhi Guo (author), Chen, R. Y. (author), Zhong, R. D. (author), Schneeloch, John (author), Zhang, C. (author), Huang, Y. (author), Qu, F. (author), Yu, R. (author), Li, Q. (author), Gu, G. D. (author), Wang, N. L. (author)
Three-dimensional topological insulators (3D TIs) represent states of quantum matters in which surface states are protected by timereversal symmetry and an inversion occurs between bulk conduction and valence bands. However, the bulk-band inversion, which is intimately tied to the topologically nontrivial nature of 3D Tis, has rarely been...
journal article 2017
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